akuperma: You need to learn Basar B’chalav again. What you say is quite inaccurate.
LA: This wouldn’t have a Din of Kol HaYotzei… It’s Mamash a part of the animal that you just grew outside of it.
Davar Hama’amid would be a major issue if the animal was cloned after being dead. I think it would be Basar Min HaChai if they took the cells before the animal died. Or at least an Issur Asei of Eino Zavuach.